Macs and USB Devices Not Getting Along

I am posting this incase I'm not the only one.
I have noticed this issue with my Intel iMac as well as my PPC iMac
Both are running the latest versions of OSX 10.4.9
This is regarding USB connectivity and the effect connected devices have on the system.
USB Setup
1 7 Port usb hub
1 Palm Dock Connected via hub
1 iPod Dock Connected to 2nd USB Port on iMac
1 ScanSnap connected via hub - POWER OFF
Bluetooth Apple Mouse & Keyboard
1 TomTom 910 connected via hub - Connected to dock but power is off.
1 Canon IP90 Connects via Bluetooth - POWER OFF
This is what happens.
If one of the following usb devices is connected, boot times can be extended with the system "pausing" at the Gray screen before Gray Apple Logo appears.
iPod
Palm TX
Once the OS boots Missing Sync's Menu Bar status application will not load, will have to manual load app.
If I disconnect these devices and reboot boot time is normal with no "pause" and missing sync loads normally.
Also i Have noticed my Apple keyboard will take longer to pair during boot with or without these devices connected.
iMac will not power down as scheduled with these usb devices connected if the system falls asleep with them connected.
Normally the iMac will wake itself up at 11pm to shut down. If my iPod or Palm is connected it will not. It will only shut down via schedule if it is awake when scheduled time is reached.
iMac G5 2 Ghz 1.5 Ram 400 Gig HD & iBook G4 1.33 12 Mac OS X (10.4.6)

So just an updated to my original post. I have been working with tech support for Missing Sync. There is a known issue with a menu bar application that comes with their software. It seems when more than 1 or 2 usb devices are connected this menu bar app doesn't load correctly... or at all.
According to them.. one of their techs actually spoke with a Apple Engineer at WWDC this week regarding the issue. According to this Apple Engineer there is a known issue with OS X and USB handling. Apparently the OS can "freak out" if certain devices are connected during boot.
No other specifics where given, and who knows if this is Missing Syncs attempt at shelling off responsibility to Apple. However, I am inclined to believe it as I have noticed that my iMac Intel or PowerPC will take a significantly longer time booting if my iPod or Palm Pilot is docked during boot. I've also noticed I can't reset my PRAM when these devices are connected.
I hope apply addresses these issues, seems kinda crazy its gotten this far being that USB devices are the primary method for expanding your Mac's abilities.
iMac G5 2 Ghz 1.5 Ram 400 Gig HD & iBook G4 1.33 12 Mac OS X (10.4.6)

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